Phosgene 600 670 metric tons per month Mustard 400 " " " " D.M. 60 " " " " 8. A recent report mentions a demand for the handing over to the Germans of all French stocks of gas shell. The quantities involved are unknown, but it is thought that the only appreciable stocks concerned would be old stocks of 7.5 cm. shell (mustard and phosgene). MILITARY FORCES. Chemical warfare Units numbers and state of training. 9. Since 1934 the Germans are known to have experimented with various forms of Chemical Warfare and Smoke Units and Flame Throwing Detachments, but no accurate information as to the final form of the organization is available.